Just by looking at this question, and the answer choices, you can determine that the least formal answer is A. Kicking back. This is because when you think of formal, you think of respectful and professional. Answers "C," and "B," are things that one may say in a formal/professional way to someone. However, people don't normally use the term, "kicking back," as a formal use of speech.
There are many ways that movies change over the years, and I might know a few. One example is that when the first time a movie came out it was black and white. Now movies have full color. Another example is back then when movies just came out they did not have a lot of resources to make the movies but now we have stuff that makes us look like we are in another place even when we are not for example space movies, they don't actually go to space they have stuff to use it with. Those are some examples of how movies changed over the years.
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Hope you like it and maybe can I have a brainliest???
